aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/net/wireless/iwlegacy/iwl-scan.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/net/wireless/iwlegacy/iwl-scan.c')
-rw-r--r--drivers/net/wireless/iwlegacy/iwl-scan.c272
1 files changed, 136 insertions, 136 deletions
diff --git a/drivers/net/wireless/iwlegacy/iwl-scan.c b/drivers/net/wireless/iwlegacy/iwl-scan.c
index 93e939cc9bc..0184d5bf04e 100644
--- a/drivers/net/wireless/iwlegacy/iwl-scan.c
+++ b/drivers/net/wireless/iwlegacy/iwl-scan.c
@@ -54,7 +54,7 @@
54#define IL_PASSIVE_DWELL_BASE (100) 54#define IL_PASSIVE_DWELL_BASE (100)
55#define IL_CHANNEL_TUNE_TIME 5 55#define IL_CHANNEL_TUNE_TIME 5
56 56
57static int il_send_scan_abort(struct il_priv *priv) 57static int il_send_scan_abort(struct il_priv *il)
58{ 58{
59 int ret; 59 int ret;
60 struct il_rx_packet *pkt; 60 struct il_rx_packet *pkt;
@@ -66,14 +66,14 @@ static int il_send_scan_abort(struct il_priv *priv)
66 /* Exit instantly with error when device is not ready 66 /* Exit instantly with error when device is not ready
67 * to receive scan abort command or it does not perform 67 * to receive scan abort command or it does not perform
68 * hardware scan currently */ 68 * hardware scan currently */
69 if (!test_bit(STATUS_READY, &priv->status) || 69 if (!test_bit(STATUS_READY, &il->status) ||
70 !test_bit(STATUS_GEO_CONFIGURED, &priv->status) || 70 !test_bit(STATUS_GEO_CONFIGURED, &il->status) ||
71 !test_bit(STATUS_SCAN_HW, &priv->status) || 71 !test_bit(STATUS_SCAN_HW, &il->status) ||
72 test_bit(STATUS_FW_ERROR, &priv->status) || 72 test_bit(STATUS_FW_ERROR, &il->status) ||
73 test_bit(STATUS_EXIT_PENDING, &priv->status)) 73 test_bit(STATUS_EXIT_PENDING, &il->status))
74 return -EIO; 74 return -EIO;
75 75
76 ret = il_send_cmd_sync(priv, &cmd); 76 ret = il_send_cmd_sync(il, &cmd);
77 if (ret) 77 if (ret)
78 return ret; 78 return ret;
79 79
@@ -85,73 +85,73 @@ static int il_send_scan_abort(struct il_priv *priv)
85 * can occur if we send the scan abort before we 85 * can occur if we send the scan abort before we
86 * the microcode has notified us that a scan is 86 * the microcode has notified us that a scan is
87 * completed. */ 87 * completed. */
88 IL_DEBUG_SCAN(priv, "SCAN_ABORT ret %d.\n", pkt->u.status); 88 IL_DEBUG_SCAN(il, "SCAN_ABORT ret %d.\n", pkt->u.status);
89 ret = -EIO; 89 ret = -EIO;
90 } 90 }
91 91
92 il_free_pages(priv, cmd.reply_page); 92 il_free_pages(il, cmd.reply_page);
93 return ret; 93 return ret;
94} 94}
95 95
96static void il_complete_scan(struct il_priv *priv, bool aborted) 96static void il_complete_scan(struct il_priv *il, bool aborted)
97{ 97{
98 /* check if scan was requested from mac80211 */ 98 /* check if scan was requested from mac80211 */
99 if (priv->scan_request) { 99 if (il->scan_request) {
100 IL_DEBUG_SCAN(priv, "Complete scan in mac80211\n"); 100 IL_DEBUG_SCAN(il, "Complete scan in mac80211\n");
101 ieee80211_scan_completed(priv->hw, aborted); 101 ieee80211_scan_completed(il->hw, aborted);
102 } 102 }
103 103
104 priv->scan_vif = NULL; 104 il->scan_vif = NULL;
105 priv->scan_request = NULL; 105 il->scan_request = NULL;
106} 106}
107 107
108void il_force_scan_end(struct il_priv *priv) 108void il_force_scan_end(struct il_priv *il)
109{ 109{
110 lockdep_assert_held(&priv->mutex); 110 lockdep_assert_held(&il->mutex);
111 111
112 if (!test_bit(STATUS_SCANNING, &priv->status)) { 112 if (!test_bit(STATUS_SCANNING, &il->status)) {
113 IL_DEBUG_SCAN(priv, "Forcing scan end while not scanning\n"); 113 IL_DEBUG_SCAN(il, "Forcing scan end while not scanning\n");
114 return; 114 return;
115 } 115 }
116 116
117 IL_DEBUG_SCAN(priv, "Forcing scan end\n"); 117 IL_DEBUG_SCAN(il, "Forcing scan end\n");
118 clear_bit(STATUS_SCANNING, &priv->status); 118 clear_bit(STATUS_SCANNING, &il->status);
119 clear_bit(STATUS_SCAN_HW, &priv->status); 119 clear_bit(STATUS_SCAN_HW, &il->status);
120 clear_bit(STATUS_SCAN_ABORTING, &priv->status); 120 clear_bit(STATUS_SCAN_ABORTING, &il->status);
121 il_complete_scan(priv, true); 121 il_complete_scan(il, true);
122} 122}
123 123
124static void il_do_scan_abort(struct il_priv *priv) 124static void il_do_scan_abort(struct il_priv *il)
125{ 125{
126 int ret; 126 int ret;
127 127
128 lockdep_assert_held(&priv->mutex); 128 lockdep_assert_held(&il->mutex);
129 129
130 if (!test_bit(STATUS_SCANNING, &priv->status)) { 130 if (!test_bit(STATUS_SCANNING, &il->status)) {
131 IL_DEBUG_SCAN(priv, "Not performing scan to abort\n"); 131 IL_DEBUG_SCAN(il, "Not performing scan to abort\n");
132 return; 132 return;
133 } 133 }
134 134
135 if (test_and_set_bit(STATUS_SCAN_ABORTING, &priv->status)) { 135 if (test_and_set_bit(STATUS_SCAN_ABORTING, &il->status)) {
136 IL_DEBUG_SCAN(priv, "Scan abort in progress\n"); 136 IL_DEBUG_SCAN(il, "Scan abort in progress\n");
137 return; 137 return;
138 } 138 }
139 139
140 ret = il_send_scan_abort(priv); 140 ret = il_send_scan_abort(il);
141 if (ret) { 141 if (ret) {
142 IL_DEBUG_SCAN(priv, "Send scan abort failed %d\n", ret); 142 IL_DEBUG_SCAN(il, "Send scan abort failed %d\n", ret);
143 il_force_scan_end(priv); 143 il_force_scan_end(il);
144 } else 144 } else
145 IL_DEBUG_SCAN(priv, "Successfully send scan abort\n"); 145 IL_DEBUG_SCAN(il, "Successfully send scan abort\n");
146} 146}
147 147
148/** 148/**
149 * il_scan_cancel - Cancel any currently executing HW scan 149 * il_scan_cancel - Cancel any currently executing HW scan
150 */ 150 */
151int il_scan_cancel(struct il_priv *priv) 151int il_scan_cancel(struct il_priv *il)
152{ 152{
153 IL_DEBUG_SCAN(priv, "Queuing abort scan\n"); 153 IL_DEBUG_SCAN(il, "Queuing abort scan\n");
154 queue_work(priv->workqueue, &priv->abort_scan); 154 queue_work(il->workqueue, &il->abort_scan);
155 return 0; 155 return 0;
156} 156}
157EXPORT_SYMBOL(il_scan_cancel); 157EXPORT_SYMBOL(il_scan_cancel);
@@ -161,28 +161,28 @@ EXPORT_SYMBOL(il_scan_cancel);
161 * @ms: amount of time to wait (in milliseconds) for scan to abort 161 * @ms: amount of time to wait (in milliseconds) for scan to abort
162 * 162 *
163 */ 163 */
164int il_scan_cancel_timeout(struct il_priv *priv, unsigned long ms) 164int il_scan_cancel_timeout(struct il_priv *il, unsigned long ms)
165{ 165{
166 unsigned long timeout = jiffies + msecs_to_jiffies(ms); 166 unsigned long timeout = jiffies + msecs_to_jiffies(ms);
167 167
168 lockdep_assert_held(&priv->mutex); 168 lockdep_assert_held(&il->mutex);
169 169
170 IL_DEBUG_SCAN(priv, "Scan cancel timeout\n"); 170 IL_DEBUG_SCAN(il, "Scan cancel timeout\n");
171 171
172 il_do_scan_abort(priv); 172 il_do_scan_abort(il);
173 173
174 while (time_before_eq(jiffies, timeout)) { 174 while (time_before_eq(jiffies, timeout)) {
175 if (!test_bit(STATUS_SCAN_HW, &priv->status)) 175 if (!test_bit(STATUS_SCAN_HW, &il->status))
176 break; 176 break;
177 msleep(20); 177 msleep(20);
178 } 178 }
179 179
180 return test_bit(STATUS_SCAN_HW, &priv->status); 180 return test_bit(STATUS_SCAN_HW, &il->status);
181} 181}
182EXPORT_SYMBOL(il_scan_cancel_timeout); 182EXPORT_SYMBOL(il_scan_cancel_timeout);
183 183
184/* Service response to REPLY_SCAN_CMD (0x80) */ 184/* Service response to REPLY_SCAN_CMD (0x80) */
185static void il_rx_reply_scan(struct il_priv *priv, 185static void il_rx_reply_scan(struct il_priv *il,
186 struct il_rx_mem_buffer *rxb) 186 struct il_rx_mem_buffer *rxb)
187{ 187{
188#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG 188#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
@@ -190,19 +190,19 @@ static void il_rx_reply_scan(struct il_priv *priv,
190 struct il_scanreq_notification *notif = 190 struct il_scanreq_notification *notif =
191 (struct il_scanreq_notification *)pkt->u.raw; 191 (struct il_scanreq_notification *)pkt->u.raw;
192 192
193 IL_DEBUG_SCAN(priv, "Scan request status = 0x%x\n", notif->status); 193 IL_DEBUG_SCAN(il, "Scan request status = 0x%x\n", notif->status);
194#endif 194#endif
195} 195}
196 196
197/* Service SCAN_START_NOTIFICATION (0x82) */ 197/* Service SCAN_START_NOTIFICATION (0x82) */
198static void il_rx_scan_start_notif(struct il_priv *priv, 198static void il_rx_scan_start_notif(struct il_priv *il,
199 struct il_rx_mem_buffer *rxb) 199 struct il_rx_mem_buffer *rxb)
200{ 200{
201 struct il_rx_packet *pkt = rxb_addr(rxb); 201 struct il_rx_packet *pkt = rxb_addr(rxb);
202 struct il_scanstart_notification *notif = 202 struct il_scanstart_notification *notif =
203 (struct il_scanstart_notification *)pkt->u.raw; 203 (struct il_scanstart_notification *)pkt->u.raw;
204 priv->scan_start_tsf = le32_to_cpu(notif->tsf_low); 204 il->scan_start_tsf = le32_to_cpu(notif->tsf_low);
205 IL_DEBUG_SCAN(priv, "Scan start: " 205 IL_DEBUG_SCAN(il, "Scan start: "
206 "%d [802.11%s] " 206 "%d [802.11%s] "
207 "(TSF: 0x%08X:%08X) - %d (beacon timer %u)\n", 207 "(TSF: 0x%08X:%08X) - %d (beacon timer %u)\n",
208 notif->channel, 208 notif->channel,
@@ -213,7 +213,7 @@ static void il_rx_scan_start_notif(struct il_priv *priv,
213} 213}
214 214
215/* Service SCAN_RESULTS_NOTIFICATION (0x83) */ 215/* Service SCAN_RESULTS_NOTIFICATION (0x83) */
216static void il_rx_scan_results_notif(struct il_priv *priv, 216static void il_rx_scan_results_notif(struct il_priv *il,
217 struct il_rx_mem_buffer *rxb) 217 struct il_rx_mem_buffer *rxb)
218{ 218{
219#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG 219#ifdef CONFIG_IWLWIFI_LEGACY_DEBUG
@@ -221,7 +221,7 @@ static void il_rx_scan_results_notif(struct il_priv *priv,
221 struct il_scanresults_notification *notif = 221 struct il_scanresults_notification *notif =
222 (struct il_scanresults_notification *)pkt->u.raw; 222 (struct il_scanresults_notification *)pkt->u.raw;
223 223
224 IL_DEBUG_SCAN(priv, "Scan ch.res: " 224 IL_DEBUG_SCAN(il, "Scan ch.res: "
225 "%d [802.11%s] " 225 "%d [802.11%s] "
226 "(TSF: 0x%08X:%08X) - %d " 226 "(TSF: 0x%08X:%08X) - %d "
227 "elapsed=%lu usec\n", 227 "elapsed=%lu usec\n",
@@ -230,12 +230,12 @@ static void il_rx_scan_results_notif(struct il_priv *priv,
230 le32_to_cpu(notif->tsf_high), 230 le32_to_cpu(notif->tsf_high),
231 le32_to_cpu(notif->tsf_low), 231 le32_to_cpu(notif->tsf_low),
232 le32_to_cpu(notif->statistics[0]), 232 le32_to_cpu(notif->statistics[0]),
233 le32_to_cpu(notif->tsf_low) - priv->scan_start_tsf); 233 le32_to_cpu(notif->tsf_low) - il->scan_start_tsf);
234#endif 234#endif
235} 235}
236 236
237/* Service SCAN_COMPLETE_NOTIFICATION (0x84) */ 237/* Service SCAN_COMPLETE_NOTIFICATION (0x84) */
238static void il_rx_scan_complete_notif(struct il_priv *priv, 238static void il_rx_scan_complete_notif(struct il_priv *il,
239 struct il_rx_mem_buffer *rxb) 239 struct il_rx_mem_buffer *rxb)
240{ 240{
241 241
@@ -244,36 +244,36 @@ static void il_rx_scan_complete_notif(struct il_priv *priv,
244 struct il_scancomplete_notification *scan_notif = (void *)pkt->u.raw; 244 struct il_scancomplete_notification *scan_notif = (void *)pkt->u.raw;
245#endif 245#endif
246 246
247 IL_DEBUG_SCAN(priv, 247 IL_DEBUG_SCAN(il,
248 "Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n", 248 "Scan complete: %d channels (TSF 0x%08X:%08X) - %d\n",
249 scan_notif->scanned_channels, 249 scan_notif->scanned_channels,
250 scan_notif->tsf_low, 250 scan_notif->tsf_low,
251 scan_notif->tsf_high, scan_notif->status); 251 scan_notif->tsf_high, scan_notif->status);
252 252
253 /* The HW is no longer scanning */ 253 /* The HW is no longer scanning */
254 clear_bit(STATUS_SCAN_HW, &priv->status); 254 clear_bit(STATUS_SCAN_HW, &il->status);
255 255
256 IL_DEBUG_SCAN(priv, "Scan on %sGHz took %dms\n", 256 IL_DEBUG_SCAN(il, "Scan on %sGHz took %dms\n",
257 (priv->scan_band == IEEE80211_BAND_2GHZ) ? "2.4" : "5.2", 257 (il->scan_band == IEEE80211_BAND_2GHZ) ? "2.4" : "5.2",
258 jiffies_to_msecs(jiffies - priv->scan_start)); 258 jiffies_to_msecs(jiffies - il->scan_start));
259 259
260 queue_work(priv->workqueue, &priv->scan_completed); 260 queue_work(il->workqueue, &il->scan_completed);
261} 261}
262 262
263void il_setup_rx_scan_handlers(struct il_priv *priv) 263void il_setup_rx_scan_handlers(struct il_priv *il)
264{ 264{
265 /* scan handlers */ 265 /* scan handlers */
266 priv->rx_handlers[REPLY_SCAN_CMD] = il_rx_reply_scan; 266 il->rx_handlers[REPLY_SCAN_CMD] = il_rx_reply_scan;
267 priv->rx_handlers[SCAN_START_NOTIFICATION] = 267 il->rx_handlers[SCAN_START_NOTIFICATION] =
268 il_rx_scan_start_notif; 268 il_rx_scan_start_notif;
269 priv->rx_handlers[SCAN_RESULTS_NOTIFICATION] = 269 il->rx_handlers[SCAN_RESULTS_NOTIFICATION] =
270 il_rx_scan_results_notif; 270 il_rx_scan_results_notif;
271 priv->rx_handlers[SCAN_COMPLETE_NOTIFICATION] = 271 il->rx_handlers[SCAN_COMPLETE_NOTIFICATION] =
272 il_rx_scan_complete_notif; 272 il_rx_scan_complete_notif;
273} 273}
274EXPORT_SYMBOL(il_setup_rx_scan_handlers); 274EXPORT_SYMBOL(il_setup_rx_scan_handlers);
275 275
276inline u16 il_get_active_dwell_time(struct il_priv *priv, 276inline u16 il_get_active_dwell_time(struct il_priv *il,
277 enum ieee80211_band band, 277 enum ieee80211_band band,
278 u8 n_probes) 278 u8 n_probes)
279{ 279{
@@ -286,7 +286,7 @@ inline u16 il_get_active_dwell_time(struct il_priv *priv,
286} 286}
287EXPORT_SYMBOL(il_get_active_dwell_time); 287EXPORT_SYMBOL(il_get_active_dwell_time);
288 288
289u16 il_get_passive_dwell_time(struct il_priv *priv, 289u16 il_get_passive_dwell_time(struct il_priv *il,
290 enum ieee80211_band band, 290 enum ieee80211_band band,
291 struct ieee80211_vif *vif) 291 struct ieee80211_vif *vif)
292{ 292{
@@ -295,13 +295,13 @@ u16 il_get_passive_dwell_time(struct il_priv *priv,
295 IL_PASSIVE_DWELL_BASE + IL_PASSIVE_DWELL_TIME_24 : 295 IL_PASSIVE_DWELL_BASE + IL_PASSIVE_DWELL_TIME_24 :
296 IL_PASSIVE_DWELL_BASE + IL_PASSIVE_DWELL_TIME_52; 296 IL_PASSIVE_DWELL_BASE + IL_PASSIVE_DWELL_TIME_52;
297 297
298 if (il_is_any_associated(priv)) { 298 if (il_is_any_associated(il)) {
299 /* 299 /*
300 * If we're associated, we clamp the maximum passive 300 * If we're associated, we clamp the maximum passive
301 * dwell time to be 98% of the smallest beacon interval 301 * dwell time to be 98% of the smallest beacon interval
302 * (minus 2 * channel tune time) 302 * (minus 2 * channel tune time)
303 */ 303 */
304 for_each_context(priv, ctx) { 304 for_each_context(il, ctx) {
305 u16 value; 305 u16 value;
306 306
307 if (!il_is_associated_ctx(ctx)) 307 if (!il_is_associated_ctx(ctx))
@@ -318,56 +318,56 @@ u16 il_get_passive_dwell_time(struct il_priv *priv,
318} 318}
319EXPORT_SYMBOL(il_get_passive_dwell_time); 319EXPORT_SYMBOL(il_get_passive_dwell_time);
320 320
321void il_init_scan_params(struct il_priv *priv) 321void il_init_scan_params(struct il_priv *il)
322{ 322{
323 u8 ant_idx = fls(priv->hw_params.valid_tx_ant) - 1; 323 u8 ant_idx = fls(il->hw_params.valid_tx_ant) - 1;
324 if (!priv->scan_tx_ant[IEEE80211_BAND_5GHZ]) 324 if (!il->scan_tx_ant[IEEE80211_BAND_5GHZ])
325 priv->scan_tx_ant[IEEE80211_BAND_5GHZ] = ant_idx; 325 il->scan_tx_ant[IEEE80211_BAND_5GHZ] = ant_idx;
326 if (!priv->scan_tx_ant[IEEE80211_BAND_2GHZ]) 326 if (!il->scan_tx_ant[IEEE80211_BAND_2GHZ])
327 priv->scan_tx_ant[IEEE80211_BAND_2GHZ] = ant_idx; 327 il->scan_tx_ant[IEEE80211_BAND_2GHZ] = ant_idx;
328} 328}
329EXPORT_SYMBOL(il_init_scan_params); 329EXPORT_SYMBOL(il_init_scan_params);
330 330
331static int il_scan_initiate(struct il_priv *priv, 331static int il_scan_initiate(struct il_priv *il,
332 struct ieee80211_vif *vif) 332 struct ieee80211_vif *vif)
333{ 333{
334 int ret; 334 int ret;
335 335
336 lockdep_assert_held(&priv->mutex); 336 lockdep_assert_held(&il->mutex);
337 337
338 if (WARN_ON(!priv->cfg->ops->utils->request_scan)) 338 if (WARN_ON(!il->cfg->ops->utils->request_scan))
339 return -EOPNOTSUPP; 339 return -EOPNOTSUPP;
340 340
341 cancel_delayed_work(&priv->scan_check); 341 cancel_delayed_work(&il->scan_check);
342 342
343 if (!il_is_ready_rf(priv)) { 343 if (!il_is_ready_rf(il)) {
344 IL_WARN(priv, "Request scan called when driver not ready.\n"); 344 IL_WARN(il, "Request scan called when driver not ready.\n");
345 return -EIO; 345 return -EIO;
346 } 346 }
347 347
348 if (test_bit(STATUS_SCAN_HW, &priv->status)) { 348 if (test_bit(STATUS_SCAN_HW, &il->status)) {
349 IL_DEBUG_SCAN(priv, 349 IL_DEBUG_SCAN(il,
350 "Multiple concurrent scan requests in parallel.\n"); 350 "Multiple concurrent scan requests in parallel.\n");
351 return -EBUSY; 351 return -EBUSY;
352 } 352 }
353 353
354 if (test_bit(STATUS_SCAN_ABORTING, &priv->status)) { 354 if (test_bit(STATUS_SCAN_ABORTING, &il->status)) {
355 IL_DEBUG_SCAN(priv, "Scan request while abort pending.\n"); 355 IL_DEBUG_SCAN(il, "Scan request while abort pending.\n");
356 return -EBUSY; 356 return -EBUSY;
357 } 357 }
358 358
359 IL_DEBUG_SCAN(priv, "Starting scan...\n"); 359 IL_DEBUG_SCAN(il, "Starting scan...\n");
360 360
361 set_bit(STATUS_SCANNING, &priv->status); 361 set_bit(STATUS_SCANNING, &il->status);
362 priv->scan_start = jiffies; 362 il->scan_start = jiffies;
363 363
364 ret = priv->cfg->ops->utils->request_scan(priv, vif); 364 ret = il->cfg->ops->utils->request_scan(il, vif);
365 if (ret) { 365 if (ret) {
366 clear_bit(STATUS_SCANNING, &priv->status); 366 clear_bit(STATUS_SCANNING, &il->status);
367 return ret; 367 return ret;
368 } 368 }
369 369
370 queue_delayed_work(priv->workqueue, &priv->scan_check, 370 queue_delayed_work(il->workqueue, &il->scan_check,
371 IL_SCAN_CHECK_WATCHDOG); 371 IL_SCAN_CHECK_WATCHDOG);
372 372
373 return 0; 373 return 0;
@@ -377,33 +377,33 @@ int il_mac_hw_scan(struct ieee80211_hw *hw,
377 struct ieee80211_vif *vif, 377 struct ieee80211_vif *vif,
378 struct cfg80211_scan_request *req) 378 struct cfg80211_scan_request *req)
379{ 379{
380 struct il_priv *priv = hw->priv; 380 struct il_priv *il = hw->priv;
381 int ret; 381 int ret;
382 382
383 IL_DEBUG_MAC80211(priv, "enter\n"); 383 IL_DEBUG_MAC80211(il, "enter\n");
384 384
385 if (req->n_channels == 0) 385 if (req->n_channels == 0)
386 return -EINVAL; 386 return -EINVAL;
387 387
388 mutex_lock(&priv->mutex); 388 mutex_lock(&il->mutex);
389 389
390 if (test_bit(STATUS_SCANNING, &priv->status)) { 390 if (test_bit(STATUS_SCANNING, &il->status)) {
391 IL_DEBUG_SCAN(priv, "Scan already in progress.\n"); 391 IL_DEBUG_SCAN(il, "Scan already in progress.\n");
392 ret = -EAGAIN; 392 ret = -EAGAIN;
393 goto out_unlock; 393 goto out_unlock;
394 } 394 }
395 395
396 /* mac80211 will only ask for one band at a time */ 396 /* mac80211 will only ask for one band at a time */
397 priv->scan_request = req; 397 il->scan_request = req;
398 priv->scan_vif = vif; 398 il->scan_vif = vif;
399 priv->scan_band = req->channels[0]->band; 399 il->scan_band = req->channels[0]->band;
400 400
401 ret = il_scan_initiate(priv, vif); 401 ret = il_scan_initiate(il, vif);
402 402
403 IL_DEBUG_MAC80211(priv, "leave\n"); 403 IL_DEBUG_MAC80211(il, "leave\n");
404 404
405out_unlock: 405out_unlock:
406 mutex_unlock(&priv->mutex); 406 mutex_unlock(&il->mutex);
407 407
408 return ret; 408 return ret;
409} 409}
@@ -411,17 +411,17 @@ EXPORT_SYMBOL(il_mac_hw_scan);
411 411
412static void il_bg_scan_check(struct work_struct *data) 412static void il_bg_scan_check(struct work_struct *data)
413{ 413{
414 struct il_priv *priv = 414 struct il_priv *il =
415 container_of(data, struct il_priv, scan_check.work); 415 container_of(data, struct il_priv, scan_check.work);
416 416
417 IL_DEBUG_SCAN(priv, "Scan check work\n"); 417 IL_DEBUG_SCAN(il, "Scan check work\n");
418 418
419 /* Since we are here firmware does not finish scan and 419 /* Since we are here firmware does not finish scan and
420 * most likely is in bad shape, so we don't bother to 420 * most likely is in bad shape, so we don't bother to
421 * send abort command, just force scan complete to mac80211 */ 421 * send abort command, just force scan complete to mac80211 */
422 mutex_lock(&priv->mutex); 422 mutex_lock(&il->mutex);
423 il_force_scan_end(priv); 423 il_force_scan_end(il);
424 mutex_unlock(&priv->mutex); 424 mutex_unlock(&il->mutex);
425} 425}
426 426
427/** 427/**
@@ -429,7 +429,7 @@ static void il_bg_scan_check(struct work_struct *data)
429 */ 429 */
430 430
431u16 431u16
432il_fill_probe_req(struct il_priv *priv, struct ieee80211_mgmt *frame, 432il_fill_probe_req(struct il_priv *il, struct ieee80211_mgmt *frame,
433 const u8 *ta, const u8 *ies, int ie_len, int left) 433 const u8 *ta, const u8 *ies, int ie_len, int left)
434{ 434{
435 int len = 0; 435 int len = 0;
@@ -475,75 +475,75 @@ EXPORT_SYMBOL(il_fill_probe_req);
475 475
476static void il_bg_abort_scan(struct work_struct *work) 476static void il_bg_abort_scan(struct work_struct *work)
477{ 477{
478 struct il_priv *priv = container_of(work, struct il_priv, abort_scan); 478 struct il_priv *il = container_of(work, struct il_priv, abort_scan);
479 479
480 IL_DEBUG_SCAN(priv, "Abort scan work\n"); 480 IL_DEBUG_SCAN(il, "Abort scan work\n");
481 481
482 /* We keep scan_check work queued in case when firmware will not 482 /* We keep scan_check work queued in case when firmware will not
483 * report back scan completed notification */ 483 * report back scan completed notification */
484 mutex_lock(&priv->mutex); 484 mutex_lock(&il->mutex);
485 il_scan_cancel_timeout(priv, 200); 485 il_scan_cancel_timeout(il, 200);
486 mutex_unlock(&priv->mutex); 486 mutex_unlock(&il->mutex);
487} 487}
488 488
489static void il_bg_scan_completed(struct work_struct *work) 489static void il_bg_scan_completed(struct work_struct *work)
490{ 490{
491 struct il_priv *priv = 491 struct il_priv *il =
492 container_of(work, struct il_priv, scan_completed); 492 container_of(work, struct il_priv, scan_completed);
493 bool aborted; 493 bool aborted;
494 494
495 IL_DEBUG_SCAN(priv, "Completed scan.\n"); 495 IL_DEBUG_SCAN(il, "Completed scan.\n");
496 496
497 cancel_delayed_work(&priv->scan_check); 497 cancel_delayed_work(&il->scan_check);
498 498
499 mutex_lock(&priv->mutex); 499 mutex_lock(&il->mutex);
500 500
501 aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &priv->status); 501 aborted = test_and_clear_bit(STATUS_SCAN_ABORTING, &il->status);
502 if (aborted) 502 if (aborted)
503 IL_DEBUG_SCAN(priv, "Aborted scan completed.\n"); 503 IL_DEBUG_SCAN(il, "Aborted scan completed.\n");
504 504
505 if (!test_and_clear_bit(STATUS_SCANNING, &priv->status)) { 505 if (!test_and_clear_bit(STATUS_SCANNING, &il->status)) {
506 IL_DEBUG_SCAN(priv, "Scan already completed.\n"); 506 IL_DEBUG_SCAN(il, "Scan already completed.\n");
507 goto out_settings; 507 goto out_settings;
508 } 508 }
509 509
510 il_complete_scan(priv, aborted); 510 il_complete_scan(il, aborted);
511 511
512out_settings: 512out_settings:
513 /* Can we still talk to firmware ? */ 513 /* Can we still talk to firmware ? */
514 if (!il_is_ready_rf(priv)) 514 if (!il_is_ready_rf(il))
515 goto out; 515 goto out;
516 516
517 /* 517 /*
518 * We do not commit power settings while scan is pending, 518 * We do not commit power settings while scan is pending,
519 * do it now if the settings changed. 519 * do it now if the settings changed.
520 */ 520 */
521 il_power_set_mode(priv, &priv->power_data.sleep_cmd_next, false); 521 il_power_set_mode(il, &il->power_data.sleep_cmd_next, false);
522 il_set_tx_power(priv, priv->tx_power_next, false); 522 il_set_tx_power(il, il->tx_power_next, false);
523 523
524 priv->cfg->ops->utils->post_scan(priv); 524 il->cfg->ops->utils->post_scan(il);
525 525
526out: 526out:
527 mutex_unlock(&priv->mutex); 527 mutex_unlock(&il->mutex);
528} 528}
529 529
530void il_setup_scan_deferred_work(struct il_priv *priv) 530void il_setup_scan_deferred_work(struct il_priv *il)
531{ 531{
532 INIT_WORK(&priv->scan_completed, il_bg_scan_completed); 532 INIT_WORK(&il->scan_completed, il_bg_scan_completed);
533 INIT_WORK(&priv->abort_scan, il_bg_abort_scan); 533 INIT_WORK(&il->abort_scan, il_bg_abort_scan);
534 INIT_DELAYED_WORK(&priv->scan_check, il_bg_scan_check); 534 INIT_DELAYED_WORK(&il->scan_check, il_bg_scan_check);
535} 535}
536EXPORT_SYMBOL(il_setup_scan_deferred_work); 536EXPORT_SYMBOL(il_setup_scan_deferred_work);
537 537
538void il_cancel_scan_deferred_work(struct il_priv *priv) 538void il_cancel_scan_deferred_work(struct il_priv *il)
539{ 539{
540 cancel_work_sync(&priv->abort_scan); 540 cancel_work_sync(&il->abort_scan);
541 cancel_work_sync(&priv->scan_completed); 541 cancel_work_sync(&il->scan_completed);
542 542
543 if (cancel_delayed_work_sync(&priv->scan_check)) { 543 if (cancel_delayed_work_sync(&il->scan_check)) {
544 mutex_lock(&priv->mutex); 544 mutex_lock(&il->mutex);
545 il_force_scan_end(priv); 545 il_force_scan_end(il);
546 mutex_unlock(&priv->mutex); 546 mutex_unlock(&il->mutex);
547 } 547 }
548} 548}
549EXPORT_SYMBOL(il_cancel_scan_deferred_work); 549EXPORT_SYMBOL(il_cancel_scan_deferred_work);